Sink



FIG. 1 is a perspective view of a sink according to the present invention.

FIG. 2 is a top view of the sink of FIG. 1.

FIG. 3 is a bottom view of the sink of FIG. 1.

FIG. 4 is a front view of the sink of FIG. 1.

FIG. 5 is a rear view of the sink of FIG. 1.

FIG. 6 is a right side view of the sink of FIG. 1; and,

FIG. 7 is a left side view of the sink of FIG. 1.

The broken lines shown in the drawings illustrate environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a sink, as shown and described. 